x+x-21=83

Simple and best practice solution for x+x-21=83 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x+x-21=83 equation:


Simplifying
x + x + -21 = 83

Reorder the terms:
-21 + x + x = 83

Combine like terms: x + x = 2x
-21 + 2x = 83

Solving
-21 + 2x = 83

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '21' to each side of the equation.
-21 + 21 + 2x = 83 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 83 + 21
2x = 83 + 21

Combine like terms: 83 + 21 = 104
2x = 104

Divide each side by '2'.
x = 52

Simplifying
x = 52

See similar equations:

| 9x^2-10y^2=0 | | 2.5w-4=-.5w-2.3 | | 5+1.7b=-2 | | 242r-18r^3=0 | | 17-y=200 | | 7=6q | | -[11x-(3x+10)]=-3-[4(3x-4)-2x] | | 6(-1x+3)=30 | | -1.5x+1.2=-6x-.5 | | Y=mx+c | | -4(6+x)=-44 | | 4[8-y]=2y+16 | | (4r-1)(5r+3)= | | 22-a+4a=7 | | 2y+y-3=4y-20 | | -16+49h^2=0 | | -2m-56-7(m-6)=3m-(7m-6)-8m+1 | | 14-5x=-51 | | -x^8+12x^6-36x^4=0 | | x^2+kx+36=0 | | 2(x-3)=x-1 | | 0=x^2-4x-480 | | 2(3+3x)=5(x-3) | | 2(-1x+3)=30 | | -20x-3-25x^2-1=0 | | 3(6+x)=2x-3 | | 4+3(a+a)=4a+6 | | 24-x=2(x+3) | | .22-8x^2=0 | | 85x+133=36(x+84) | | 3z+19=2z+3 | | 1x+2+2x=1x+2 |

Equations solver categories